Roy and Marth almost never got into the overseas version of Melee. The people here and in Europe was so interested that Nintendo put them in the overseas version instead of making them exclusive to the Japanese version.
SEGA used to have a mobile phone service back in the early 2000s known as "the Sonic Cafe" which hosted several unique Sonic games for flip phones.
Much like the DS version of Sonic Colors and the 3DS version of Sonic Generations, there was also a 2D handheld version of Sonic Unleashed however it was on a mobile phone.